20153010544 has 10 divisors (see below), whose sum is σ = 39046457960. Its totient is φ = 10076505264.

The previous prime is 20153010541. The next prime is 20153010607. The reversal of 20153010544 is 44501035102.

It is a happy number.

It is a super-2 number, since 2×20153010544² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153010541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629781564 + ... + 629781595.

It is an arithmetic number, because the mean of its divisors is an integer number (3904645796).

Almost surely, 2^20153010544 is an apocalyptic number.

It is an amenable number.

20153010544 is a deficient number, since it is larger than the sum of its proper divisors (18893447416).

20153010544 is a wasteful number, since it uses less digits than its factorization.

20153010544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259563167 (or 1259563161 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20153010544 its reverse (44501035102), we get a palindrome (64654045646).

The spelling of 20153010544 in words is "twenty billion, one hundred fifty-three million, ten thousand, five hundred forty-four".